package com.tsu.mall.order.Controller;


import com.alipay.api.AlipayApiException;
import com.alipay.api.internal.util.AlipaySignature;
import com.tsu.mall.common.VO.PayInfoVO;
import com.tsu.mall.common.VO.PayResultDTO;
import com.tsu.mall.common.config.AlipayConfigBean;
import com.tsu.mall.common.entity.Bill;
import com.tsu.mall.common.service.IBillDetailService;
import com.tsu.mall.common.service.IBillService;
import com.tsu.mall.common.service.IPayService;
import com.tsu.mall.common.util.RequestUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

@Controller
@RequestMapping("/bill")
public class BillController {
    @Autowired
    private IBillService iBillService;
    @Autowired
    private AlipayConfigBean alipayConfigBean;
    @Autowired
    private IPayService ipayService;

    @Autowired
    private IBillDetailService ibillDetailService;

    @PostMapping("/saveBill")
    @ResponseBody
    public PayInfoVO saveBill(String ids, String remark, Integer memberAddressId){
        return iBillService.saveBill(ids,remark,memberAddressId);
    }
    @PostMapping("/deleteBill")
    @ResponseBody
    public void deleteBill(Integer billId){
         iBillService.deleteById(billId);
    }


    @PostMapping("/notify")
    @ResponseBody
    public String notify(HttpServletRequest request){
        //获取支付宝POST过来反馈信息，将异步通知中收到的待验证所有参数都存放到map中
        Map< String , String > params = new HashMap< String , String >();
        Map requestParams = request.getParameterMap();
        for(Iterator iter = requestParams.keySet().iterator(); iter.hasNext();){
            String name = (String)iter.next();
            String[] values = (String [])requestParams.get(name);
            String valueStr = "";
            for(int i = 0;i < values.length;i ++ ){
                valueStr =  (i==values.length-1)?valueStr + values [i]:valueStr + values[i] + ",";
            }
            //乱码解决，这段代码在出现乱码时使用。
            //valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
            params.put (name,valueStr);
        }
        //调用SDK验证签名
        //公钥验签示例代码
        boolean  signVerified = false;
        try {
            signVerified = AlipaySignature.rsaCheckV1(params, alipayConfigBean.getPublicKey(), "UTF-8",alipayConfigBean.getSignType());
        } catch (AlipayApiException e) {
            throw new RuntimeException(e);
        }
    //公钥证书验签示例代码
    //   boolean flag = AlipaySignature.rsaCertCheckV1(params,alipayPublicCertPath,"UTF-8","RSA2");

        if (signVerified){
            // TODO 验签成功后
            //按照支付结果异步通知中的描述，对支付结果中的业务内容进行1\2\3\4二次校验，校验成功后在response中返回success
            //记录回调信息
            ipayService.payResult(params);
            //修改本订单的状态 订单表中 订单详情表中
            ibillDetailService.updateStatus(params.get("out_trade_no"));
            return "success";
        } else {
            // TODO 验签失败则记录异常日志，并在response中返回fail.
            return "fail";
        }

    }
}
